21131608320

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{991}}^1$

素因数の和:1638

約数の個数: 288

約数和(自身を含む): 75185187840

約数和(自身を除く): 54053579520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 617, 640, 720, 768, 864, 960, 991, 1080, 1152, 1234, 1280, 1440, 1728, 1851, 1920, 1982, 2160, 2304, 2468, 2880, 2973, 3085, 3456, 3702, 3840, 3964, 4320, 4936, 4955, 5553, 5760, 5946, 6170, 6912, 7404, 7928, 8640, 8919, 9255, 9872, 9910, 11106, 11520, 11892, 12340, 14808, 14865, 15856, 16659, 17280, 17838, 18510, 19744, 19820, 22212, 23784, 24680, 26757, 27765, 29616, 29730, 31712, 33318, 34560, 35676, 37020, 39488, 39640, 44424, 44595, 47568, 49360, 53514, 55530, 59232, 59460, 63424, 66636, 71352, 74040, 78976, 79280, 83295, 88848, 89190, 95136, 98720, 107028, 111060, 118464, 118920, 126848, 133272, 133785, 142704, 148080, 157952, 158560, 166590, 177696, 178380, 190272, 197440, 214056, 222120, 236928, 237840, 253696, 266544, 267570, 285408, 296160, 317120, 333180, 355392, 356760, 380544, 394880, 428112, 444240, 473856, 475680, 533088, 535140, 570816, 592320, 611447, 634240, 666360, 710784, 713520, 761088, 789760, 856224, 888480, 951360, 1066176, 1070280, 1141632, 1184640, 1222894, 1268480, 1332720, 1421568, 1427040, 1712448, 1776960, 1834341, 1902720, 2132352, 2140560, 2283264, 2369280, 2445788, 2665440, 2854080, 3057235, 3424896, 3553920, 3668682, 3805440, 4264704, 4281120, 4891576, 5330880, 5503023, 5708160, 6114470, 6849792, 7107840, 7337364, 8562240, 9171705, 9783152, 10661760, 11006046, 11416320, 12228940, 14674728, 16509069, 17124480, 18343410, 19566304, 21323520, 22012092, 24457880, 27515115, 29349456, 33018138, 34248960, 36686820, 39132608, 44024184, 48915760, 55030230, 58698912, 66036276, 73373640, 78265216, 82545345, 88048368, 97831520, 110060460, 117397824, 132072552, 146747280, 156530432, 165090690, 176096736, 195663040, 220120920, 234795648, 264145104, 293494560, 330181380, 352193472, 391326080, 440241840, 469591296, 528290208, 586989120, 660362760, 704386944, 782652160, 880483680, 1056580416, 1173978240, 1320725520, 1408773888, 1760967360, 2113160832, 2347956480, 2641451040, 3521934720, 4226321664, 5282902080, 7043869440, 10565804160, 21131608320]

約数ペア:

[(1, 21131608320), (2, 10565804160), (3, 7043869440), (4, 5282902080), (5, 4226321664), (6, 3521934720), (8, 2641451040), (9, 2347956480), (10, 2113160832), (12, 1760967360), (15, 1408773888), (16, 1320725520), (18, 1173978240), (20, 1056580416), (24, 880483680), (27, 782652160), (30, 704386944), (32, 660362760), (36, 586989120), (40, 528290208), (45, 469591296), (48, 440241840), (54, 391326080), (60, 352193472), (64, 330181380), (72, 293494560), (80, 264145104), (90, 234795648), (96, 220120920), (108, 195663040), (120, 176096736), (128, 165090690), (135, 156530432), (144, 146747280), (160, 132072552), (180, 117397824), (192, 110060460), (216, 97831520), (240, 88048368), (256, 82545345), (270, 78265216), (288, 73373640), (320, 66036276), (360, 58698912), (384, 55030230), (432, 48915760), (480, 44024184), (540, 39132608), (576, 36686820), (617, 34248960), (640, 33018138), (720, 29349456), (768, 27515115), (864, 24457880), (960, 22012092), (991, 21323520), (1080, 19566304), (1152, 18343410), (1234, 17124480), (1280, 16509069), (1440, 14674728), (1728, 12228940), (1851, 11416320), (1920, 11006046), (1982, 10661760), (2160, 9783152), (2304, 9171705), (2468, 8562240), (2880, 7337364), (2973, 7107840), (3085, 6849792), (3456, 6114470), (3702, 5708160), (3840, 5503023), (3964, 5330880), (4320, 4891576), (4936, 4281120), (4955, 4264704), (5553, 3805440), (5760, 3668682), (5946, 3553920), (6170, 3424896), (6912, 3057235), (7404, 2854080), (7928, 2665440), (8640, 2445788), (8919, 2369280), (9255, 2283264), (9872, 2140560), (9910, 2132352), (11106, 1902720), (11520, 1834341), (11892, 1776960), (12340, 1712448), (14808, 1427040), (14865, 1421568), (15856, 1332720), (16659, 1268480), (17280, 1222894), (17838, 1184640), (18510, 1141632), (19744, 1070280), (19820, 1066176), (22212, 951360), (23784, 888480), (24680, 856224), (26757, 789760), (27765, 761088), (29616, 713520), (29730, 710784), (31712, 666360), (33318, 634240), (34560, 611447), (35676, 592320), (37020, 570816), (39488, 535140), (39640, 533088), (44424, 475680), (44595, 473856), (47568, 444240), (49360, 428112), (53514, 394880), (55530, 380544), (59232, 356760), (59460, 355392), (63424, 333180), (66636, 317120), (71352, 296160), (74040, 285408), (78976, 267570), (79280, 266544), (83295, 253696), (88848, 237840), (89190, 236928), (95136, 222120), (98720, 214056), (107028, 197440), (111060, 190272), (118464, 178380), (118920, 177696), (126848, 166590), (133272, 158560), (133785, 157952), (142704, 148080)]